Sales Tax Calculator

Easily calculate the exact sales tax on any purchase with our Sales Tax Calculator. Simply enter the price and tax rate to get instant results, including total cost and tax amount.

Calculate sales tax on a pre-tax amount, or reverse/extract tax from a tax-inclusive total.

No Signup Required.

Enter a non-negative number.
Example: 8.5 for 8.5%.

How the math works

Add Tax: tax = amount × (rate/100), total = amount + tax.

Reverse/Remove Tax: base = total ÷ (1 + rate/100), tax = total − base.

No currency symbol is enforced; enter values in your preferred currency.

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Important Note: All the Calculators listed in this site are for educational purpose only and we do not guarentee the accuracy of results. Please do consult with other sources as well.